This movie is the first of a trilogy that Sebastián D'Arbó, a specialist in parapsychology, filmed on occult topics. The second film is El ser (1982) and the last one Más allá de la muerte (1986).
as Doctor Mainen
as The Traveler
as Parapsychologist
as Teresa (as Berta Singerman)
as Carlos
as Priest
as Mother
as Father
as Clara
as Eva (as Montse Prous)
as Monja Lega
as Mayordomo
as Sirvienta
as Jefe de Estación
as Empleado de Tren
as Aparecido
as Vecina
as Ayudante de médium
as Self (uncredited)